With a survey of voters taken Friday through today, the results show that 49 percent said they support the Democratic presidential ticket Barack Obama and Joe Biden and 48 percent support the Republican team of John McCain and Sarah Palin.

Maybe it was Palin?

Maybe, maybe not - the favorable rating on McCain's running-mate pick is running at 52 percent. The voters surveyed were asked to rate McCain's choice of Palin, announced on Friday after Obama's convention ended. Only 27 percent called it excellent and 25 percent called it good - that's a 52-percent positive. But 21 percent called it a fair pick and 25 percent called it a poor pick - a 46 percent negative.

Or maybe it's just a question of a different poll - CNN and Opinion Research also had portrayed a dead-heat between Obama and McCain heading into the Democratic convention early last week - a dead-even 47-47 in their survey of Aug. 23-24.

But the Gallup daily tracking poll found an eight-point advantage for Obama at the end of his convention, and today reported a six-point advantage - which includes the three-day average of surveys taken through Saturday. Gallup, which also had Obama and McCain tied heading into Denver, suggested that Obama had gotten an 8-point bounce.